Genesis 26:9-13

Then Abimelech called Isaac and said, “Behold, she certainly is your wife! So how is it that you said, ‘She is my sister’?” And Isaac said to him, “Because I thought, ‘otherwise I might be killed on account of her.’ ”

And Abimelech said, “What is this that you have done to us? One of the people might easily have slept with your wife, and you would have brought guilt upon us.”

So Abimelech commanded all the people, saying, “He who touches this man or his wife will certainly be put to death.”

Now Isaac sowed in that land and reaped in the same year a hundred times as much. And the Lord blessed him,

and the man became rich, and continued to grow richer until he became very wealthy;